199323172 has 12 divisors (see below), whose sum is σ = 353018736. Its totient is φ = 98460680.

The previous prime is 199323169. The next prime is 199323209. The reversal of 199323172 is 271323991.

It is a happy number.

199323172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×199323172² = 79459453792283168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299854 + ... + 300517.

It is an arithmetic number, because the mean of its divisors is an integer number (29418228).

Almost surely, 2^199323172 is an apocalyptic number.

It is an amenable number.

199323172 is a deficient number, since it is larger than the sum of its proper divisors (153695564).

199323172 is a wasteful number, since it uses less digits than its factorization.

199323172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600458 (or 600456 counting only the distinct ones).

The product of its digits is 20412, while the sum is 37.

The square root of 199323172 is about 14118.1858607967. The cubic root of 199323172 is about 584.1431163915.

It can be divided in two parts, 19932 and 3172, that added together give a square (23104 = 152²).

The spelling of 199323172 in words is "one hundred ninety-nine million, three hundred twenty-three thousand, one hundred seventy-two".